Physics · Communication Systems
To perform amplitude modulation, non-linear circuits or square-law devices are required. If we look at the I-V characteristics of electronic devices, which type of characteristic is ideal for producing a modulated wave?
- 1An ideal open circuit condition
- 2A non-linear quadratic relationship or regions with square-law behavior✓
- 3A perfectly symmetrical negative resistance region only
- 4A perfectly linear relationship throughout the range
Correct answer
A non-linear quadratic relationship or regions with square-law behavior
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